• EEVblog #102 – DIY Constant Current Dummy Load for Power Supply and Battery Testing

    Dave grabs a few junkbox parts and builds a useful constant current load for switch mode power supply, battery testing, and other applications.

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      • Dave J:

        Looks like you may have to put together some kits for this project!

        Crack job!

        • One more thing I forgot; you were going to post some tips on how to properly tie off the unused portion(s) of op amps.

          Just a FYI . . .

      • Chupacabras

        Where to get that 4-digit (or 3 1/2?) display used in this dummy load?

      The EEVblog Store generally ships twice a week, on Tuesdays & Fridays, Sydney time.